condition	mean	min	max
4 h after light	2.811735	1.17926	4.44421
8 h after light	4.855625	3.73778	5.97347
12 h after light	5.020580000000001	3.26684	6.77432
4 h after dark	14.686933333333334	14.2	15.371
8 h after dark	7.97186	4.78651	13.6582
12 h after dark	5.779	0.0	9.37997